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CN113374542B - Quick starting system of gas steam unit - Google Patents

Quick starting system of gas steam unit Download PDF

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Publication number
CN113374542B
CN113374542B CN202110771404.0A CN202110771404A CN113374542B CN 113374542 B CN113374542 B CN 113374542B CN 202110771404 A CN202110771404 A CN 202110771404A CN 113374542 B CN113374542 B CN 113374542B
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steam
pressure
medium
low
main steam
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CN113374542A (en
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胡琨
张鹏
陈利芳
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China Energy Engineering Group Guangdong Electric Power Design Institute Co Ltd
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China Energy Engineering Group Guangdong Electric Power Design Institute Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D19/00Starting of machines or engines; Regulating, controlling, or safety means in connection therewith

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Pipeline Systems (AREA)
  • Control Of Turbines (AREA)

Abstract

The invention provides a quick starting system of a gas steam unit, and relates to the field of generator units. The quick starting system of the gas steam unit comprises a high-pressure cylinder, a medium-pressure cylinder and a low-pressure cylinder, wherein the high-pressure cylinder is connected with a high-pressure main steam pipeline, the medium-pressure cylinder is connected with a medium-pressure main steam pipeline, and the low-pressure cylinder is connected with a low-pressure main steam pipeline; the high-pressure main steam pipeline is provided with a high-pressure main steam valve, the high-pressure main steam pipeline is connected with a high-pressure steam-thinning branch positioned on the steam inlet side of the high-pressure main steam valve, the high-pressure steam-thinning branch is close to the high-pressure main steam valve, and the other end of the high-pressure steam-thinning branch is communicated with a condenser or a drainage expansion vessel; the medium-pressure main steam pipeline is provided with a medium-pressure main steam valve, and is connected with a medium-pressure steam-dredging branch positioned on the steam inlet side of the medium-pressure main steam valve and close to the medium-pressure main steam valve; the low-pressure main steam pipeline is provided with a low-pressure main steam valve, and is connected with a low-pressure steam-dredging branch positioned on the steam inlet side of the low-pressure main steam valve and close to the low-pressure main steam valve.

Description

Quick starting system of gas steam unit
Technical Field
The invention relates to the technical field of generator sets, in particular to a quick starting system of a gas steam unit.
Background
When the gas-steam combined cycle unit is used as a peak shaver unit of a power grid, the peak shaver unit needs to be started and stopped every day, and the cold machine is started to require quick response.
The invention patent application of China with the application publication number of CN111894683A and the application publication date of 2020.11.06 discloses a steam turbine unit air preheating quick start control system and method, and specifically discloses a steam turbine unit air preheating quick start control system and method, comprising a steam turbine high-pressure cylinder, a steam turbine medium-pressure cylinder, a high-pressure main steam valve, a high-pressure regulating valve, a medium-pressure main steam valve, a medium-pressure regulating valve, an air preheating device, a steam turbine low-pressure cylinder and a condenser; the high-pressure cylinder of the steam turbine is sequentially connected with a high-pressure regulating valve and a high-pressure main steam valve through a main steam pipeline, and is connected with a high-pressure cylinder steam discharge check valve and a high-pressure cylinder steam discharge ventilation valve through a high-pressure steam discharge pipeline; the air preheating device is connected with the high-pressure main steam valve and the high-pressure regulating valve through an air conveying pipeline and a high-pressure main steam valve drain pipeline; the high-pressure cylinder of the steam turbine is connected with the condenser through a high-pressure cylinder steam discharge ventilation valve and is used for sending the exhaust gas of the high-pressure cylinder of the steam turbine into the condenser.
When the high-pressure cylinder of the steam turbine is preheated, an air inlet regulating valve, a high-pressure regulating valve and a high-pressure cylinder steam exhaust and ventilation valve of the high-pressure cylinder are opened, a high-pressure main steam valve, a high-pressure cylinder steam exhaust check valve and a rear drain valve of the high-pressure main steam valve are closed, so that hot air entering the high-pressure cylinder of the steam turbine heats the high-pressure cylinder, and then enters a condenser through the high-pressure cylinder steam exhaust and ventilation valve.
Because before the warm-up starts, all remain low temperature steam in the pipeline between the air preheating device and the steam turbine high-pressure cylinder to main steam pipeline, the steam that remains in the anterior segment pipeline can't discharge and directly lets in the high-pressure cylinder promptly, and is poor to the warm-up effect of high-pressure cylinder, influences the quick start of unit.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a quick starting system of a gas steam unit, which aims to solve the problems that residual steam in a front pipeline cannot be discharged and directly introduced into a high-pressure cylinder, the warming effect on the high-pressure cylinder is poor, and the quick starting of the unit is affected.
The technical scheme of the quick start system of the gas steam unit is as follows:
The quick starting system of the gas steam unit comprises a high-pressure cylinder, a medium-pressure cylinder and a low-pressure cylinder, wherein the high-pressure cylinder is connected with a high-pressure main steam pipeline, the medium-pressure cylinder is connected with a medium-pressure main steam pipeline, and the low-pressure cylinder is connected with a low-pressure main steam pipeline;
The high-pressure main steam pipeline is provided with a high-pressure main steam valve, the high-pressure main steam pipeline is connected with a high-pressure steam-dredging branch, the high-pressure steam-dredging branch is positioned on the steam inlet side of the high-pressure main steam valve and is close to the high-pressure main steam valve, and the other end of the high-pressure steam-dredging branch is communicated with a condenser or a drainage expansion vessel;
The medium-pressure main steam pipeline is provided with a medium-pressure main steam valve, the medium-pressure main steam pipeline is connected with a medium-pressure steam-thinning branch, the medium-pressure steam-thinning branch is positioned on the steam inlet side of the medium-pressure main steam valve and is close to the medium-pressure main steam valve, and the other end of the medium-pressure steam-thinning branch is communicated with a condenser or a drainage expansion vessel;
the low-pressure main steam pipeline is provided with a low-pressure main steam valve, the low-pressure main steam pipeline is connected with a low-pressure steam-dredging branch, the low-pressure steam-dredging branch is positioned on the steam inlet side of the low-pressure main steam valve and is close to the low-pressure main steam valve, and the other end of the low-pressure steam-dredging branch is communicated with a condenser or a drainage expansion vessel.
Further, the pipe diameter of the high-pressure steam-thinning branch is D1, the pipe diameter of the high-pressure main steam pipeline is D1, and D1 is not more than 0.5D1;
The pipe diameter of the medium-pressure steam-thinning branch is D2, and the pipe diameter of the medium-pressure main steam pipeline is D2, wherein D2 is not more than 0.5D2;
The pipe diameter of the low-pressure steam-thinning branch is D3, and the pipe diameter of the low-pressure main steam pipeline is D3, wherein D3 is not more than 0.5D3.
Further, the pipe diameter d1 of the high-pressure steam-evacuation branch is 0.1D1 to 0.5D1, the pipe diameter d2 of the medium-pressure steam-evacuation branch is 0.1D2 to 0.5D2, and the pipe diameter d3 of the low-pressure steam-evacuation branch is 0.1D3 to 0.5D3.
Further, the extending direction of the high-pressure steam-evacuation branch is perpendicular to the extending direction of the high-pressure main steam pipeline, the extending direction of the medium-pressure steam-evacuation branch is perpendicular to the extending direction of the medium-pressure main steam pipeline, and the extending direction of the low-pressure steam-evacuation branch is perpendicular to the extending direction of the low-pressure main steam pipeline.
Further, the high-pressure main steam pipeline, the medium-pressure main steam pipeline and the low-pressure main steam pipeline are respectively arranged at intervals in parallel along the horizontal direction, the high-pressure steam-dredging branch is connected to the top or the side surface of the high-pressure main steam pipeline, the medium-pressure steam-dredging branch is connected to the top or the side surface of the medium-pressure main steam pipeline, and the low-pressure steam-dredging branch is connected to the top or the side surface of the low-pressure main steam pipeline.
Further, the high-pressure steam-repellent branch is connected with a first shutoff valve and a first steam-repellent valve, the medium-pressure steam-repellent branch is connected with a second shutoff valve and a second steam-repellent valve, and the low-pressure steam-repellent branch is connected with a third shutoff valve and a third steam-repellent valve.
Further, the high-pressure main steam pipeline is also connected with a high-pressure bypass steam pipeline, and the high-pressure bypass steam pipeline is positioned on the steam inlet side of the high-pressure steam-dredging branch; the medium-pressure main steam pipeline is also connected with a medium-pressure bypass steam pipeline, and the medium-pressure bypass steam pipeline is positioned on the steam inlet side of the medium-pressure steam-dredging branch; the low-pressure main steam pipeline is also connected with a low-pressure bypass steam pipeline, and the low-pressure bypass steam pipeline is positioned on the steam inlet side of the low-pressure steam-dredging branch.
Further, the high-pressure cylinder is connected with a steam exhaust pipeline, and the other end of the steam exhaust pipeline is communicated with a condenser or a drainage expansion vessel.
The beneficial effects are that: the rapid starting system of the gas steam unit adopts the structural design that a high-pressure main steam pipeline is connected with a high-pressure steam-dredging branch, a medium-pressure main steam pipeline is connected with a medium-pressure steam-dredging branch, and a low-pressure main steam pipeline is connected with a low-pressure steam-dredging branch; and the high-pressure steam-repellent branch is positioned on the steam inlet side of the high-pressure main steam valve and is close to the high-pressure main steam valve, the medium-pressure steam-repellent branch is positioned on the steam inlet side of the medium-pressure main steam valve and is close to the medium-pressure main steam valve, and the low-pressure steam-repellent branch is positioned on the steam inlet side of the low-pressure main steam valve and is close to the low-pressure main steam valve. Steam-repellent points are respectively arranged on each main steam pipeline, and steam-repellent branches are tapped from the steam-repellent points so as to lead out low-temperature steam remained in the main steam pipelines.
When the cold machine is started, the corresponding main steam valve is closed firstly, so that cold steam reserved in the pipeline is prevented from entering the cylinder body, and the cold steam at the front section of the steam-repellent point in the main steam pipeline is led out through the steam-repellent branch; and after the low-temperature steam in the front section is exhausted, the corresponding main steam valve is opened, a specially designed preheating device is omitted, the exhausted hot steam is utilized for quick heating, the energy density is high, the heating effect is good, and the quick starting of the gas steam unit is ensured.
Drawings
Fig. 1 is a schematic structural diagram of a quick start system of a gas steam unit in a specific embodiment of the quick start system of a gas steam unit according to the present invention.
In the figure: 1-high pressure cylinder, 10-high pressure main steam pipeline, 11-high pressure main steam valve, 12-high pressure steam-evacuation branch, 13-first shutoff valve, 14-first steam-evacuation valve, 15-high pressure bypass steam pipeline and 16-steam exhaust pipeline;
2-medium pressure cylinder, 20-medium pressure main steam pipeline, 21-medium pressure main steam valve, 22-medium pressure steam-evacuation branch, 23-second shutoff valve and 24-second steam-evacuation valve;
The device comprises a 3-low pressure cylinder, a 30-low pressure main steam pipeline, a 31-low pressure main steam valve, a 32-low pressure steam-dredging branch, a 33-third shutoff valve, a 34-third steam-dredging valve and a 4-condenser.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
In the embodiment 1 of the quick start system of the gas steam unit, as shown in fig. 1, the quick start system of the gas steam unit comprises a high-pressure cylinder 1, a medium-pressure cylinder 2 and a low-pressure cylinder 3, wherein the high-pressure cylinder 1 is connected with a high-pressure main steam pipeline 10, the medium-pressure cylinder 2 is connected with a medium-pressure main steam pipeline 20, and the low-pressure cylinder 3 is connected with a low-pressure main steam pipeline 30; the high-pressure main steam pipeline 10 is provided with a high-pressure main steam valve 11, the high-pressure main steam pipeline 10 is connected with a high-pressure steam-dredging branch 12, the high-pressure steam-dredging branch 12 is positioned on the steam inlet side of the high-pressure main steam valve 11 and is close to the high-pressure main steam valve 11, and the other end of the high-pressure steam-dredging branch 12 is communicated with a condenser 4 or a drainage expansion vessel.
The medium-pressure main steam pipeline 20 is provided with a medium-pressure main steam valve 21, the medium-pressure main steam pipeline 20 is connected with a medium-pressure steam-evacuation branch 22, the medium-pressure steam-evacuation branch 22 is positioned on the steam inlet side of the medium-pressure main steam valve 21 and is close to the medium-pressure main steam valve 21, and the other end of the medium-pressure steam-evacuation branch 22 is communicated with the condenser 4 or the drainage expansion vessel; the low-pressure main steam pipeline 30 is provided with a low-pressure main steam valve 31, the low-pressure main steam pipeline 31 is connected with a low-pressure steam-dredging branch 32, the low-pressure steam-dredging branch 32 is positioned on the steam inlet side of the low-pressure main steam valve 31 and is close to the low-pressure main steam valve 31, and the other end of the low-pressure steam-dredging branch 32 is communicated with the condenser 4 or the drainage expander.
The rapid starting system of the gas steam unit adopts the structural design that a high-pressure main steam pipeline 10 is connected with a high-pressure steam-thinning branch 12, a medium-pressure main steam pipeline 20 is connected with a medium-pressure steam-thinning branch 22, and a low-pressure main steam pipeline 31 is connected with a low-pressure steam-thinning branch 32; and, the high-pressure steam-repellent branch 12 is located at the steam inlet side of the high-pressure main steam valve 11 and is close to the high-pressure main steam valve 11, the medium-pressure steam-repellent branch 22 is located at the steam inlet side of the medium-pressure main steam valve 21 and is close to the medium-pressure main steam valve 21, and the low-pressure steam-repellent branch 32 is located at the steam inlet side of the low-pressure main steam valve 31 and is close to the low-pressure main steam valve 31. Steam-repellent points are respectively arranged on each main steam pipeline, and steam-repellent branches are tapped from the steam-repellent points so as to lead out low-temperature steam remained in the main steam pipelines.
When the cold machine is started, the corresponding main steam valve is closed firstly, so that cold steam reserved in the pipeline is prevented from entering the cylinder body, and the cold steam at the front section of the steam-repellent point in the main steam pipeline is led out through the steam-repellent branch; and after the low-temperature steam in the front section is exhausted, the corresponding main steam valve is opened, a specially designed preheating device is omitted, the exhausted hot steam is utilized for quick heating, the energy density is high, the heating effect is good, and the quick starting of the gas steam unit is ensured.
In the present embodiment, the pipe diameter of the high-pressure steam-evacuation branch 12 is D 1, and the pipe diameter of the high-pressure main steam pipe 10 is D 1,d1≤0.5D1; the pipe diameter of the medium-pressure steam-thinning branch 22 is D 2, and the pipe diameter of the medium-pressure main steam pipeline 20 is D 2,d2≤0.5D2; the pipe diameter of the low-pressure steam-thinning branch 32 is D 3, and the pipe diameter of the low-pressure main steam pipeline 30 is D 3,d3≤0.5D3. Specifically, the pipe diameter D 1 of the high-pressure steam-evacuation branch is between 0.1D 1 and 0.5D 1, the pipe diameter D 2 of the medium-pressure steam-evacuation branch is between 0.1D 2 and 0.5D 2, and the pipe diameter D 3 of the low-pressure steam-evacuation branch is between 0.1D 3 and 0.5D 3. Because only a small part of low-temperature steam remained in the main steam pipeline is remained, the pipe diameter of the steam-dredging branch is designed to be smaller than one half of the pipe diameter of the main steam pipeline, and the pipe-dredging branch with small pipe diameter is more convenient for pipe distribution; and the pipe diameter of the steam-thinning branch is more than one tenth of the pipe diameter of the main steam pipeline, so that the steam-thinning efficiency of low-temperature steam is ensured.
The extending direction of the high-pressure steam trap 12 is perpendicular to the extending direction of the high-pressure main steam line 10, the extending direction of the medium-pressure steam trap 22 is perpendicular to the extending direction of the medium-pressure main steam line 20, and the extending direction of the low-pressure steam trap 32 is perpendicular to the extending direction of the low-pressure main steam line 30. Specifically, the high-pressure main steam pipe 10, the medium-pressure main steam pipe 20 and the low-pressure main steam pipe 30 are respectively arranged at intervals in parallel along the horizontal direction, the high-pressure steam-repellent branch 12 is connected to the top or the side surface of the high-pressure main steam pipe 10, the medium-pressure steam-repellent branch 22 is connected to the top or the side surface of the medium-pressure main steam pipe 20, and the low-pressure steam-repellent branch 32 is connected to the top or the side surface of the low-pressure main steam pipe 30. The steam-dredging branch is arranged perpendicular to the main steam pipeline and is connected out from the top or the side surface of the main steam pipeline, so that the actual connection operation is more convenient.
The high-pressure steam-evacuation branch 12 is connected with a first shutoff valve 13 and a first steam-evacuation valve 14, the medium-pressure steam-evacuation branch 22 is connected with a second shutoff valve 23 and a second steam-evacuation valve 24, and the low-pressure steam-evacuation branch 32 is connected with a third shutoff valve 33 and a third steam-evacuation valve 34. When the cold discharge is started, the shutoff valve and the steam evacuation valve are firstly opened, and the main steam valve is closed, so that cold steam reserved in the main steam pipeline is smoothly discharged to the condenser 4 or the drain expansion vessel through the steam evacuation branch; after the steam reserved in the main steam pipeline is exhausted, the main steam valve is opened, and the shutoff valve and the steam evacuation valve are closed, so that the subsequent high-temperature steam enters the corresponding cylinder body.
In addition, the high-pressure main steam pipeline 10 is also connected with a high-pressure bypass steam pipeline 15, and the high-pressure bypass steam pipeline 15 is positioned on the steam inlet side of the high-pressure steam-thinning branch 12; the medium pressure main steam line 20 is also connected to a medium pressure bypass steam line (not shown in the figure), which is located on the steam inlet side of the medium pressure steam trap 22; the low pressure main steam line 30 is also connected to a low pressure bypass steam line, which is located on the steam inlet side of the low pressure steam trap 32. The bypass steam pipeline can be designed to supplement steam into the main steam pipeline, so that sufficient steam quantity is ensured to be supplied. And, the high-pressure cylinder 1 is connected with a steam exhaust pipeline 16, and the other end of the steam exhaust pipeline 16 is communicated with a condenser 4 or a drainage expansion vessel.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.

Claims (5)

1. The quick starting system of the gas steam unit is characterized by comprising a high-pressure cylinder, a medium-pressure cylinder and a low-pressure cylinder, wherein the high-pressure cylinder is connected with a high-pressure main steam pipeline, the medium-pressure cylinder is connected with a medium-pressure main steam pipeline, and the low-pressure cylinder is connected with a low-pressure main steam pipeline;
The high-pressure main steam pipeline is provided with a high-pressure main steam valve, the high-pressure main steam pipeline is connected with a high-pressure steam-dredging branch, the high-pressure steam-dredging branch is positioned on the steam inlet side of the high-pressure main steam valve and is close to the high-pressure main steam valve, and the other end of the high-pressure steam-dredging branch is communicated with a condenser or a drainage expansion vessel;
The medium-pressure main steam pipeline is provided with a medium-pressure main steam valve, the medium-pressure main steam pipeline is connected with a medium-pressure steam-thinning branch, the medium-pressure steam-thinning branch is positioned on the steam inlet side of the medium-pressure main steam valve and is close to the medium-pressure main steam valve, and the other end of the medium-pressure steam-thinning branch is communicated with a condenser or a drainage expansion vessel;
The low-pressure main steam pipeline is provided with a low-pressure main steam valve, the low-pressure main steam pipeline is connected with a low-pressure steam-dredging branch, the low-pressure steam-dredging branch is positioned on the steam inlet side of the low-pressure main steam valve and is close to the low-pressure main steam valve, and the other end of the low-pressure steam-dredging branch is communicated with a condenser or a drainage expansion vessel;
The pipe diameter of the high-pressure steam-thinning branch is D 1, and the pipe diameter of the high-pressure main steam pipeline is D 1,d1≤0.5D1;
The pipe diameter of the medium-pressure steam-thinning branch is D 2, and the pipe diameter of the medium-pressure main steam pipeline is D 2,d2≤0.5D2;
the pipe diameter of the low-pressure steam-thinning branch is D 3, and the pipe diameter of the low-pressure main steam pipeline is D 3,d3≤0.5D3;
The pipe diameter D 1 of the high-pressure steam-evacuation branch is between 0.1D 1 and 0.5D 1, the pipe diameter D 2 of the medium-pressure steam-evacuation branch is between 0.1D 2 and 0.5D 2, and the pipe diameter D 3 of the low-pressure steam-evacuation branch is between 0.1D 3 and 0.5D 3;
The high-pressure main steam pipeline is also connected with a high-pressure bypass steam pipeline, and the high-pressure bypass steam pipeline is positioned on the steam inlet side of the high-pressure steam-dredging branch; the medium-pressure main steam pipeline is also connected with a medium-pressure bypass steam pipeline, and the medium-pressure bypass steam pipeline is positioned on the steam inlet side of the medium-pressure steam-dredging branch; the low-pressure main steam pipeline is also connected with a low-pressure bypass steam pipeline, and the low-pressure bypass steam pipeline is positioned on the steam inlet side of the low-pressure steam-dredging branch.
2. The rapid start system of a gas steam unit according to claim 1, wherein the extension direction of the high-pressure steam trap is arranged perpendicular to the extension direction of the high-pressure main steam line, the extension direction of the medium-pressure steam trap is arranged perpendicular to the extension direction of the medium-pressure main steam line, and the extension direction of the low-pressure steam trap is arranged perpendicular to the extension direction of the low-pressure main steam line.
3. The rapid start system of a gas steam unit according to claim 2, wherein the high pressure main steam pipe, the medium pressure main steam pipe and the low pressure main steam pipe are arranged at intervals in parallel along a horizontal direction, the high pressure steam-evacuation branch is connected to the top or side of the high pressure main steam pipe, the medium pressure steam-evacuation branch is connected to the top or side of the medium pressure main steam pipe, and the low pressure steam-evacuation branch is connected to the top or side of the low pressure main steam pipe.
4. The rapid start system of a gas steam unit according to claim 1, wherein the high pressure steam trap branch is connected with a first shut-off valve and a first steam trap valve, the medium pressure steam trap branch is connected with a second shut-off valve and a second steam trap valve, and the low pressure steam trap branch is connected with a third shut-off valve and a third steam trap valve.
5. The quick start system of a gas steam unit according to claim 1, wherein the high pressure cylinder is connected with a steam exhaust pipeline, and the other end of the steam exhaust pipeline is communicated with a condenser or a drainage expansion vessel.
CN202110771404.0A 2021-07-07 2021-07-07 Quick starting system of gas steam unit Active CN113374542B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11270305A (en) * 1998-03-20 1999-10-05 Hitachi Ltd Turbine bypass valve control device
JP2000045712A (en) * 1998-07-27 2000-02-15 Toshiba Corp Combined cycle generating plant
JP2003329201A (en) * 2002-05-07 2003-11-19 Babcock Hitachi Kk Waste heat recovery boiler and combined power generation method and apparatus
CN108678821A (en) * 2018-05-11 2018-10-19 华电能源股份有限公司富拉尔基发电厂 A kind of steam turbine start and stop peak regulation heating system for realizing the decoupling of fired power generating unit thermoelectricity
CN212454561U (en) * 2020-04-13 2021-02-02 东莞市粤湾新能源有限公司 Steam turbine bypass system
CN113027550A (en) * 2021-03-22 2021-06-25 西安热工研究院有限公司 High-low voltage bypass system meeting peak regulation requirement and dynamic optimization control method
CN215444163U (en) * 2021-07-07 2022-01-07 中国能源建设集团广东省电力设计研究院有限公司 Quick starting system of gas steam unit

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11270305A (en) * 1998-03-20 1999-10-05 Hitachi Ltd Turbine bypass valve control device
JP2000045712A (en) * 1998-07-27 2000-02-15 Toshiba Corp Combined cycle generating plant
JP2003329201A (en) * 2002-05-07 2003-11-19 Babcock Hitachi Kk Waste heat recovery boiler and combined power generation method and apparatus
CN108678821A (en) * 2018-05-11 2018-10-19 华电能源股份有限公司富拉尔基发电厂 A kind of steam turbine start and stop peak regulation heating system for realizing the decoupling of fired power generating unit thermoelectricity
CN212454561U (en) * 2020-04-13 2021-02-02 东莞市粤湾新能源有限公司 Steam turbine bypass system
CN113027550A (en) * 2021-03-22 2021-06-25 西安热工研究院有限公司 High-low voltage bypass system meeting peak regulation requirement and dynamic optimization control method
CN215444163U (en) * 2021-07-07 2022-01-07 中国能源建设集团广东省电力设计研究院有限公司 Quick starting system of gas steam unit

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